47 lines
		
	
	
		
			752 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			752 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /*
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| 	MIT License http://www.opensource.org/licenses/mit-license.php
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| 	Author Tobias Koppers @sokra
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| */
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| "use strict";
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| 
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| var SourceNode = require("source-map").SourceNode;
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| var SourceMapConsumer = require("source-map").SourceMapConsumer;
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| 
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| class Source {
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| 
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| 	source() {
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| 		throw new Error("Abstract");
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| 	}
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| 
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| 	size() {
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| 		if(Buffer.from.length === 1) return new Buffer(this.source()).length;
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| 		return Buffer.byteLength(this.source())
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| 	}
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| 
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| 	map(options) {
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| 		return null;
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| 	}
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| 
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| 	sourceAndMap(options) {
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| 		return {
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| 			source: this.source(),
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| 			map: this.map()
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| 		};
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| 	}
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| 
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| 	node() {
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| 		throw new Error("Abstract");
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| 	}
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| 
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| 	listNode() {
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| 		throw new Error("Abstract");
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| 	}
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| 
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| 	updateHash(hash) {
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| 		var source = this.source();
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| 		hash.update(source || "");
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| 	}
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| }
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| 
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| module.exports = Source;
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